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  • Title: Advances in sulfur conversion-associated enhanced biological phosphorus removal in sulfate-rich wastewater treatment: A review.
    Author: Guo G, Ekama GA, Wang Y, Dai J, Biswal BK, Chen G, Wu D.
    Journal: Bioresour Technol; 2019 Aug; 285():121303. PubMed ID: 30952535.
    Abstract:
    Recently an innovative sulfur conversion-associated enhanced biological phosphorus removal (S-EBPR) process has been developed for treating sulfate-rich wastewater. This process has successfully integrated sulfur (S), carbon (C), nitrogen (N) and P cycles for simultaneous metabolism or removal of C, N and P; moreover this new process relies on the synergy among the slow-growing sulfate-reducing bacteria and sulfur-oxidizing bacteria, hence generating little excess sludge. To elucidate this new process, researchers have investigated the microorganisms proliferated in the system, identified the biochemical pathways and assessed the impact of operational and environmental factors on process performance as well as trials on process optimization. This paper for the first time reviews the recent advances that have been achieved, particularly relating to the areas of S-EBPR microbiology and biochemistry, as well as the effects of environmental factors (e.g., electron donors/acceptors, pH, temperature, etc.). Moreover, future directions for researches and applications are proposed.
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